<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Hello World</title>
<link href="css/bootstrap.min.css" rel="stylesheet">

<!--[if lt IE 9]>
<script src="js/html5shiv.js"></script>
<script src="js/respond.min.js"></script>
<![endif]-->

</head>

<body>
<nav class="navbar navbar-default" role="navigation">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button>
      <a class="navbar-brand" href="#">某管理系统</a> </div>
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav">
        <li class="active"><a href="#">首页</a></li>
        <li class="dropdown"> <a href="#" data-toggle="dropdown" class=" dropdown-toggle">功能<span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li class="disabled"><a href="#">业务功能</a></li>
            <li><a href="#">信息建立</a></li>
            <li><a href="#">信息查询</a></li>
            <li><a href="#">信息管理</a></li>
            <li class="divider"></li>
            <li class="disabled"><a href="#">系统功能</a></li>
            <li><a href="#">设置</a></li>
          </ul>
        </li>
        <li><a href="#">帮助</a></li>
      </ul>
      <form class="navbar-form navbar-right" role="search">
        <div class="form-group">
          <input type="text" class="form-control" placeholder="用户名...">
          <input type="text" class="form-control" placeholder="密码...">
        </div>
        <button type="submit" class="btn btn-default">登录</button>
      </form>
    </div>
  </div>
</nav>
<script src="js/jquery-1.11.1.min.js"></script> 
<script src="js/bootstrap.min.js"></script>
</body>
</html>
